Abdominal Pelvic Mass Revealing a Giant Prostatic Adenocarcinoma

Prostate cancer is the most common cancer among men over 50 years old. It has a relatively good prognosis when diagnosed early, unfortunately in some cases the diagnosis is made at locally advanced stages. We report a case of a prostatic adenocarcinoma revealed by an abdominopelvic mass. 83-year-old patient with a right orchiectomy, admitted for a diffuse abdominal pain that has been developing for a month, associated to a constipation, urinary frequency and urgency. The abdominal examination found an extensive firm mass from the left iliac fossa to the hypogastrium. Ultrasound and abdominopelvic computed tomography (CT) showed a large, predominantly retroperitoneal abdominopelvic mass, additionally, showing no metastatic masses. The anatomopathological study of the trans-parietal biopsy of the mass as well as that of the prostate biopsy shows prostate glandular proliferation of prostatic PSA +. The dosage of PSA is 23,600 ng/ml. Consequently an Anti-androgen hormone therapy has been indicated.